Flipkart — Phone is locked due to smart upgrade plan

Please help.. I friend purchase a phone on flipkart in smart upgrade plan he forgot to pay .. And he want to pay now but the problem is phone is locked and also forgot his flipkart id from where placed an order... Can u please send me the link to pay the balnce amount.
phone is lockd i dont knw the order id .. Please suggest me way to unlock my phone..
Model name : narzo 30 pro 5g .
Imei no is : [protected]
I m also attaching image how it showing on my screen
Please help it s a request